javascript replace()正则替换实现代码_javascript技巧-js教程-

var data = "123123,213,,312,3,cat,dsfsdfs,";
alert(func(data));
function func(str)
{
var reg = //g;
str = str.replace(reg,function($1){
if($1=='return '}else{
return '>';
}
});
return str;
}